test: add a test for iter_slices #84

	name: docs
	on: push

	permissions:
	contents: write
	jobs:
	deploy:
	runs-on: ubuntu-latest
	permissions:
	actions: write
	contents: write
	deployments: write
	statuses: write
	steps:
	- uses: actions/checkout@v3
	- uses: actions/setup-python@v4
	with:
	python-version: 3.x
	- uses: actions/cache@v2
	with:
	key: ${{ github.ref }}
	path: .cache
	- run: pip install mkdocs-material
	- run: pip install pillow cairosvg
	- run: python ./pre_docs.py
	- run: mkdocs gh-deploy --force

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